Under the UK`s withdrawal agreement, Northern Ireland will remain in the EU`s internal goods market to avoid a hard border with the Republic of Ireland. The declaration on the future relationship between the European Union and the United Kingdom, also known as the Political Declaration, is a non-binding declaration, negotiated and signed at the same time as the mandatory and broader withdrawal agreement on the uk`s withdrawal from the European Union (EU), known as Brexit, and the planned end of the transition period. On the issue of the Irish border, there is a protocol on Northern Ireland (the “backstop”) which is attached to the agreement and establishes a position of withdrawal which will only come into force in the absence of effective alternative provisions before the expiry of the transition period. In this case, the UK will eclipse the EU`s common external tariff and Northern Ireland will stick to aspects of the internal market until such an event is carried out. Neither party can unilaterally withdraw from this customs union. The aim of this backstop agreement is to avoid a “hard” border in Ireland, where customs controls are needed.  The Northern Ireland Protocol, known as the Irish Backstop, was an annex to the November 2018 draft agreement outlining provisions to avoid a hard border in Ireland after the UK`s withdrawal from the European Union. The protocol provided for a provision of the safety net to deal with the circumstances in which satisfactory alternative arrangements were to come into force at the end of the transition period. This project has been replaced by a new protocol that will be described as follows.
The British Parliament approved the draft agreement by adopting on 23 January 2020 the implementing laws (the 2020 Withdrawal Agreement Act) of the European Union (withdrawal agreement). Following the signing of the agreement, the UK Government adopted and tabled the UK`s ratification instrument on 29 January 2020.  The agreement was ratified by the Council of the European Union on 30 January 2020, after approval by the European Parliament on 29 January 2020. The UK`s withdrawal from the EU came into force on 31 January 2020 at 11 .m GMT, when the withdrawal agreement came into force in accordance with Article 185. The Brexit Withdrawal Agreement, officially titled the UK`s withdrawal agreement from Britain and Northern Ireland from the European Union and the European Atomic Energy Community. is a treaty signed on 24 January 2020 between the European Union (EU), Euratom and the United Kingdom (UK)  which sets the conditions for the UK`s withdrawal from the EU and Euratom.